19 lines
747 B
Plaintext
19 lines
747 B
Plaintext
dnl VKD3D_CHECK_VULKAN_HEADER_VERSION
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AC_DEFUN([VKD3D_CHECK_VULKAN_HEADER_VERSION],
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[AS_VAR_PUSHDEF([vkd3d_vk_version], vkd3d_cv_vk_header_version_[[$1]])
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AC_CACHE_CHECK([whether VK_HEADER_VERSION >= [$1]], vkd3d_vk_version,
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[AC_LINK_IFELSE(
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[AC_LANG_SOURCE([#include <vulkan/vulkan.h>
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#if VK_HEADER_VERSION < $1
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#error "Vulkan headers are too old"
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#endif
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int main(void) { return 0; }])],
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[AS_VAR_SET([vkd3d_vk_version], [yes])],
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[AS_VAR_SET([vkd3d_vk_version], [no])])])
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AS_IF([test "x$vkd3d_vk_version" != "xyes"], [$2])
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AS_VAR_POPDEF([vkd3d_vk_version])])
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